Home / 199,198.64-274,907.72-121,707.46

Finding the Fourth Proportional to 199,198.64, 274,907.72 and 121,707.46

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Solution

The fourth proportional to 199,198.64, 274,907.72 and 121,707.46 is: 167,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,198.64 : 274,907.72 = 121,707.46 : x
  2. Step 2: Convert to fraction form
    199,198.64/274,907.72 = 121,707.46/x
  3. Step 3: Cross multiply
    199,198.64x = 274,907.72 × 121,707.46
  4. Step 4: Simplify right side
    199,198.64x = 33,458,320,983.49
  5. Step 5: Solve for x
    x = 33,458,320,983.49/199,198.64
  6. Step 6: Final answer
    x = 167,964.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.